What powers stsebs.org?
Last seen Aug 2026 · 38 technologies across 16 categories
Advertising
Analytics
CDN
Databases
Editors
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Programming languages
Security
Tag managers
Video players
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 90% desktop
- 10% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.62 / 10 · ranked #802,580 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 36.3 MB · 144 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- St. Sebastian's School (Saint Sebastian's School on Wikidata)
- Founded: 1941
- Industry: Education (declares
EducationalOrganization) - Country: United States
- Profiles: Facebook, Instagram, X, LinkedIn
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: precisionit.net
- Email: Mimecast
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 870,124, 5 hosts
- Verified with: Apple Business, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.stsebs.org | 32 |
| discover.stsebs.org | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected VideoJS May 2026
- detected Stimulus Mar 2026
- detected Htmx Nov 2025
- dropped Font Awesome Oct 2025
- dropped Google Font API Oct 2025
- dropped Modernizr Oct 2025
- dropped Typekit Oct 2025